1. Lecturer, School of Geography, Environment and Earth Sciences, Victoria Univ. of Wellington, Kelburn Parade, Wellington 6012, New Zealand (corresponding author). ORCID: .
2. Lecturer, Dept. of Geography, Univ. of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand.
3. Professor, Dept. of Geography, Univ. of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand.